This printable word search puzzle contains 18 hidden words in a 17x17 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
big bang theory
total eclipse
space station
crescent moon
constellation
solar system
observatory
dark matter
light year
astronomer
telescope
milky way
wormhole
universe
asteroid
meteor
galaxy
earth